Net Periodic Pension Cost for Defined Benefit Plans (Detail) - USD ($) $ in Thousands	11 Months Ended	12 Months Ended
	Oct. 02, 2015	Oct. 31, 2014	Oct. 25, 2013
Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 11,811	$ 11,367	$ 11,848
Interest cost	16,159	19,387	17,893
Expected return on plan assets	(23,872)	(25,999)	(22,476)
Contractual termination	0	94	0
Curtailment	0	23	0
Settlement	3,522	0	0
Amortization of prior service cost	404	107	384
Amortization of actuarial (gain) loss	5,165	6,052	14,255
Net periodic cost (benefit)	13,189	11,031	21,904
Other Postretirement Benefit Plan
Defined Benefit Plan Disclosure [Line Items]
Service cost	359	489	508
Interest cost	464	685	674
Expected return on plan assets	0	0	0
Contractual termination	0	0	0
Curtailment	0	(1,747)	0
Settlement	0	0	0
Amortization of prior service cost	(63)	(151)	(150)
Amortization of actuarial (gain) loss	0	38	103
Net periodic cost (benefit)	$ 760	$ (686)	$ 1,135